(19)

(11)

EP 4 157 625 A1

(12)

(43) Date of publication: 05.04.2023 Bulletin 2023/14 (21) Application number: 21728891.9 (22) Date of filing: 26.05.2021

(51) International Patent Classification (IPC):  B31F 1/10(2006.01) B31F 1/08(2006.01) (52) Cooperative Patent Classification (CPC): B31F 1/10; B31F 1/08 (86) International application number: PCT/EP2021/063987 (87) International publication number: WO 2021/239783 (02.12.2021 Gazette 2021/48)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 26.05.2020 EP 20315265 (71) Applicant: Bobst Lyon 69673 Bron Cedex (FR)	(72) Inventors: LÉGIER, Christian 69008 Lyon (FR) DURAND, Julien 38440 Châtonnay (FR) (74) Representative: Navarro, Asa Maria Thérèse  Bobst Mex SA P.O. Box 1001 Lausanne 1001 Lausanne (CH)